Spark distinct算子学习使用详解
作者:高景洋 日期:2020-10-25 13:31:34 浏览次数:1662
distinct:
Rdd数据去重
示例代码：
def my_distinct(): data = [1,2,3,4,5] rdd1 =sc.parallelize(data) data2 = [2,3,4,9,10] rdd2 = sc.parallelize(data2) result = rdd1.union(rdd2).distinct()
print(result.collect())
输出结果：
[10, 1, 2, 3, 4, 5, 9]
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